Authentic Omega Seamaster Planet Ocean 600M Chronograph men's watch with grey dial. Features automatic chronometer movement (Calibre 9900), stainless steel case and bracelet, brushed finish. Includes date function at the six o'clock position, uni-directional rotating bezel, screw-in crown, scratch-resistant sapphire crystal, round case shape measuring 45.5mm diameter and 18.87mm thickness. Water resistant to 600 meters or 2000 feet. Equipped with chronograph sub-dials displaying small seconds (30 sec) and hours (12 hr). Comes with a standard 5 year WatchMaxx warranty.